bump version number
diff --git a/lib/netstd/Tests/Thrift.PublicInterfaces.Compile.Tests/Thrift.PublicInterfaces.Compile.Tests.csproj b/lib/netstd/Tests/Thrift.PublicInterfaces.Compile.Tests/Thrift.PublicInterfaces.Compile.Tests.csproj
index 7c57750..5745bd9 100644
--- a/lib/netstd/Tests/Thrift.PublicInterfaces.Compile.Tests/Thrift.PublicInterfaces.Compile.Tests.csproj
+++ b/lib/netstd/Tests/Thrift.PublicInterfaces.Compile.Tests/Thrift.PublicInterfaces.Compile.Tests.csproj
@@ -19,7 +19,7 @@
   -->
 
   <PropertyGroup>
-    <ThriftVersion>0.20.0</ThriftVersion>
+    <ThriftVersion>0.21.0</ThriftVersion>
     <ThriftVersionOutput>Thrift version $(ThriftVersion)</ThriftVersionOutput>
     <TargetFramework>net8.0</TargetFramework>
     <LangVersion>latestMajor</LangVersion>